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48490657241 = 1329317405749
BaseRepresentation
bin101101001010010001…
…001011010111011001
311122011101201121121012
4231022101023113121
51243302102012431
634135403023305
73334433533355
oct551221132731
9148141647535
1048490657241
1119623791544
12949350ab35
13475a1590c0
1424c00b8465
1513dc10222b
hexb4a44b5d9

48490657241 has 16 divisors (see below), whose sum is σ = 54191970000. Its totient is φ = 43080699648.

The previous prime is 48490657231. The next prime is 48490657277. The reversal of 48490657241 is 14275609484.

48490657241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 22859928025 + 25630729216 = 151195^2 + 160096^2 .

It is a cyclic number.

It is not a de Polignac number, because 48490657241 - 226 = 48423548377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48490657241.

It is not an unprimeable number, because it can be changed into a prime (48490657231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83366 + ... + 322383.

It is an arithmetic number, because the mean of its divisors is an integer number (3386998125).

Almost surely, 248490657241 is an apocalyptic number.

It is an amenable number.

48490657241 is a deficient number, since it is larger than the sum of its proper divisors (5701312759).

48490657241 is a wasteful number, since it uses less digits than its factorization.

48490657241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406108.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 48490657241 in words is "forty-eight billion, four hundred ninety million, six hundred fifty-seven thousand, two hundred forty-one".

Divisors: 1 13 29 317 377 4121 9193 119509 405749 5274737 11766721 128622433 152967373 1672091629 3730050557 48490657241